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Hey Engineers. Merry Christmas and we’re back with a new tutorial. We will discuss how to play Christmas songs using Arduino Uno and a piezoelectric buzzer. We used a small piezoelectric buzzer to play simple Jingle bells using Arduino Uno. We have made the code such that it’s already set melody and timing so that […]
Hello Engineers. In this tutorial, we are going to discuss optocoupler. An optocoupler is a semiconductor electronic component that is used to link two separate electrically isolated circuits using a light-sensitive using light-sensitive means. An optocoupler is somewhat similar to a transformer. Although it does not work in the direction to step up or down […]
8085 instruction set . An instruction is basically a small command made up of Opcode and operands, which are given to a processor to perform a particular operation or task on a given data. Instructions are a binary pattern that allows a microprocessor to perform a task. There are 74 basic instructions in microprocessor 8085 […]
Hello Engineers. Here we are going to discuss 10 amazing sensors must-haves. But, before focussing on these 10 amazing sensors, we need to know a bit about sensors. What is a sensor? In automation and instrumentation, sensors are the main sensing components of a system to observe a certain environment and generates equivalent electrical signals. […]
We have already discussed many circuits to remote control home appliances. But they’re Infrared controlled and have many limitations. Today, in this article, we will be discussing how to use a cheap single-channel RC toy car’s RF module to remote control home appliances. We are also are going to discuss how to control 2 AC […]
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